A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Prehnite |
|---|---|
| Description | Prehnite, Ca2Al2Si3O10(OH)2 (calcium aluminum silicate hydroxide), is found in faintly yellowish-white coarse lamellar to platy aggregates, some of the plates being in fan-shaped groups and is usually green in color. An imperfect pinacoidal cleavage shows a pearly luster. The specific gravity is 2.89 to 2.96. This sample is about 9 mm in diameter. |
| Location | USA ▹ New Jersey |
| Photographer | Nessa Eull. 2002-02-15. |
| Collection | University of North Dakota Mineralogy Collection #3053. |
| Key words | Prehnite, New Jersey |
| Tech details | 938 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 2376 |
 | |